*An inductor is capable of dissipating 50W of heat energy when a current 0.8A flows through it at a certain frequency. Calculate its impedance when the reactance of the inductor is 50Ω*.
A. 62.5 Ω.
B. 40.5 Ω.
C. 92.8 Ω.
D. 1.0 Ω.​